Proceedings of the Society for Psychical Research

Vol. 16, London 1901.

Victor Segno

The law of mentalism

American Institute of Mentalism, Los Angeles 1902.

[Annuncio del giocoliere mnemonista indovina pensieri Olivero al caffè Villani di Biella]

La tribuna biellese, Torino 9 ottobre 1902.

Journal of the Society for Psychical Research

Vol. 11, London 1903.

Proceedings of the Society for Psychical Research

Vol. 18, 1903.

Proceedings of the Society for Psychical Research

Vol. 18, 1903.

Journal of the Society for Psychical Research

Vol. 12, London 1905.

Proceedings of the Society for Psychical Research

Vol. 19, 1905.

Proceedings of the Society for Psychical Research

Vol. 20, London 1906.

Cesare Lombroso

Sui fenomeni spiritici e la loro interpretazione

Luigi Barzini, Nel mondo dei misteri con Eusapia Paladino, Baldini, Castoldi & Co, Milano 1907.